Elevator.



.T. T. COWLEY.

ELEVATOR.

APPLICATION FILED JULY 17, 1909. RENEWED JULY 11, 1912.

17.4 I] I] a U U 4 E W Patented Jan. 5, 1915.

5 SHEETS-SHEET 1.

naw/rater J. T. COWLEY.

ELEVATOR. APPLICATION FILED JULY17, 1909. RENEWED JULY 11,1912.

5 SHBETSSHEET 2.

Patented Jan. 5, 1915.

&

J. T. COWLEY.

v ELEVATOR.

APPLICATION FI LED JULY 17, 1909. RENEWED JULY 11, 1912.

' Patented Jan. 5, 1915.

5 SHEETS-SHEET 3.

m In luuu Witt wow:

J. T. COWLEY. ELEVATOR.

APPLICATION FILED JULY 17, 1909. RENEWED JULY 11, 1912. Patented J an. 5, 1915.

5 SHEETS-SHEET 4.

J. T. COWLEY.

ELEVATOR.

APPLICATION FILED JULY 17, 1909. RENEWED JULY 11,1912.

Patented Jan. 5, 1915.

5 EHEETS-SHEET 5.

1z 0 J I o 0 l9 ls, 1

3A T. COY, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO THE SON COMP 3. NEW JERSEY, A CORPORATION OF NEW JERSEY.

OF NEW 1 ntnva'ron.

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Patented Jan. 5, 1915.

original application filed July 17, 1905,'Seria1 No. 269,974. Divided and this application filed July 17, 1909, 4 i

Serial No. 508,176. Renewed July 11, 1912. Serial No. 708,983.

To all whom it may concern:

Be it known that I, JAMES T. COWLEY, of

' Boston, in the county of Sufl'ol'k and State of Massachusetts, have inventedcertain new and useful Improvements in Elevators, of" which the followin isa-specification.

The present app ication is' a division of the application for improvements in ele-, 17, 1905, Serial vators, filed by me July Number 269,974, Patent No. 928,364, dated July 20, 1909.

lhis invention relates more particularl to that class of elevators which are provided with a dumping platform for discharging the load of the car. i

It has for its object the provision of means that can be actuated and controlled from any one floor of the building to operate the dumping platform at any other floor.

In the accompanying drawings which illustrate a construction embodying my invention, Figure 1 is a side elevation of an elevator apparatus showing general arrangement. Fig. 2 is a plan view-of the mechanism located at each floor and showing section of the elevator car. Fig. 3 is a side ele-' vation of the parts shown in Fig. 2. Fig. 4

is a front viewof the lower part of the car.

' a portion of parts shown in Fig. 4. Fig. 7

is an enlarged view of motor and the cable drum. Fig. 8 is an enlarged view of a portion of Fig. 2, and Fig. 9 1s a diagram showing the mechanisms at three of the stopping points and the manner in which they are connected together, the parts being in the positions the would occupy when any one had been ad usted so as to stop the car at stopping point or floor number Referring to the drawings, 1, 2, 3, and 4 represent the floors of a building through which the elevator well extends. Within the well is the car A carried by rope B, supported near the top of the building by a sheave B on ashaft-B journa-led in a suitable hanger. -In the basement of the build ing is a motor C that drives a drum -'B aroundtwhichthe rope- 1B passes'aud this motor is controlled by .a' rheostat' y At the difierent' floors of the" building the" elevatil) which slide vertically in ways.

The starting of the elevator is efiected through a bell crank H (Figs. 3 and 9) connected' by a link K with a smaller bell crank K connected by a link K with a slide K mounted on a'vertical ,bar L. which carries the slide K is fixed, at its ends to brackets L fastened to the wall of the elevator well. bosses through which extend two rods J and 3' connected at their upper ends by a belt or chain J passing over a sheave J One of the rods J is fastened by set screws J to the slide K and the other rod J slides loosely through the bosses of said slide and at its lower end said rod J is' connected by a bell crank C and links C The bar L' lhis slide K is 'made with with the motor-controlling rheostat -C so I and stops the motor G. The reason for employing the two rods J and J connected by the belt or chain J as described is so that one rod will serve to counterbalance the other, thus reducing the labor in operating the rod J which is connected with the controller Q. It will thus be seen that by means of the bell crank H the motor 0 may be started, said motor being stopped automatically as described later.-

In order to prevent the operation of the car A when any of the doors D, etc., are 0 em, or in other words, in order to permit 0 operating the car A only when all of the doors are closed each bell crank H is controlled by a latch H which in turn is controlled by its respective door.- This latch.

H is pivoted at H and a spring H tends that vertical movement of that rod J starts 1 to hold said latch in engagement with the 7 ment which is the case also with the arm ofthe-controller C so thatif the bell crankH is syvunadown-the'controller arm is \"I. I: in O lie ire etien and a meter C is" Sta in different floors.

one direction and if the bell crank H is swung in the opposite direction the controller arm is swun in the opposite direction and the motor 5 is started in the opposite direction. '-It will be seen, however, that if the door is open the latch H locks the bell crank H in its off position and the car cannot be operated.

The studs S which carry the bell cranks F and H are fixed to a wall E, E, etc., on the located.

As willbe seen from Fig. 9 all of the slides K are rigidly connected by the rod J that is fastened to said slides and therefore if any of the doorsis open and its respective bell crank H is locked none of the other bell cranks can be operated even though their respective ,doors are closed and consequently in order to start the car in either direction "the bell crank H is a double bell crank F which has connected to it two links F and F. The link F is connected through a bell crank F pivoted, as at L (Fig. 3), on the bar L4 with an interlocking rod F which is .common to all of the bell cranks F, all of said bell cranks being connected in similar manner with said rod. The other link F is connected with a slide F mounted in transverse ways on the slide K. This slide F carries an arm G in which is journaled the roll G (Fig. 8). There is an index alongside of the bell crank F corresponding to the stopping points or floors of the building and the rolls G are so placed on their respective slides F that when the bell crank F is opposite 1 on the index then the roll G of the first floor or stopping point is in the path of a cam A carried by the car and all the other rolls G areout of the path of said scam. When a bell crank F is shifted opposite 2, 3, or 4 on the index, then the roll G of the floors 2, 3, or 4, is brought into the path of the cam A while the other rolls G will be out of the path of said cam. The doors pl), etc., each carries a latch H normally held by. a spring H surrounding a pin H in engagement with a slide H. (Figs. 2 and 3.) This slide H is made with a notch H which serves as a passageway for the hook .of the latch H (Fig. 5) when the notch is brought into the path of said hook. The

notches H of the diiferent slides are positioned so that when the bell crank F is opposite I on the index, notch H of the This wall may be part of the building within which the apparatus is floor 1 is on the path of the latch H of that floor while 'all the other latches H are m locking engagement with the shdes H.-

Likew1se the notches H of the floors 2, 3,

and 4 free their latches H only when the bell crank F is opposite 2, 3, or 4 on the index. That is to say, only one latch H 1s freed at a time and that when the bell crank F is opposite the number on the index that corresponds to the floor of the latch that 1s free so that only one door of the whole series is free to be opened at one time.

The slide H is engaged by the pin H on the slide F and when the bell crank F is shifted to select the stopping point for car A the roll G at the stopping point selected on the index adjacent the bell crank F is brought into the path of the cam A and at the same time the pin H shifts the slide H at the selected stopping point so as to free the latch H that cooperates therewith. This selection having been made the operator throws the bell crank H'up or down according to the direction in which he desires the car to travel. .As soon as the cam A strikes the roll G at the selected stopping point the car is automatically stopped and dumped.

The stopping is effected as follows: The cam A lifting on the roll G raises the slide K rod J, as well as all of the other slides K that are connected with said rod which results in a downward movement of the loose rod J thereby shiftin the controller C so as to stop the motor It will thus be seen that the carA may be started from any floor and automatically stopped at any selected one of its stopping points and that the door at that stopping point is automatically unlocked.

The botton A of the car A is pivoted at A (Figs. 2, 3, 4 and 6) and this pivoted bottom is normally supported by two latches A pivoted thereto and engaging at their lower ends two brackets A secured'to the sides of the car. Through these brackets A slides the bar A with notches A A in its opposite ends. The bar A carries the cam A said bar being normally held with cam A projected so as to engage with the rolls G by a spring A. When during the travel of the car the cam A strikes theroll G at the selected stopping point the bar A is slid in the direction indicated by the arrow in Fig. 4 far enough to bring the notches A and A below the lower ends of the latches A and A. The latter being then unsupported the bottom A tilts and the contents of the car is discharged onto a trough or the like S at the selected stopping point.

The cam A as shown in Fig. 4 is made with two inclines one extending up and the other down from a pocket which separates thetwo inclines so that during the travel of the car in either direction the incline which engages the roll G acts to shift the bar the roll G enters the pocket between the two inclines said roll is carried with the car and its movement acts as described to stop the motor C.

The slot E into which the in H projects is elongated as shown in ig. 9 to permit of the starting and stopping movements of the slides K" referred to. From the above description it will be seen that the rolls (1: are interconnected and positioned so that they not only move together but no two of them are in the path of the cam A at once; that all of the slides K are connected so as to move together and so that when the cam A engages one of the rolls G to raise or lower any one of said slides the motor C will be stopped; that all of the slides 1-1 are connected so as to move together and their notches H are so positioned as to successively free their latches H and that the bell cranks F are all connected so as to work together and shift their links F and F cor respondingly.

Fig. 9 of the drawings shows the selecting, stopping and door-controlling and controlled mechanisms of the first three floors of the building illustrated in Fig. 1. In said Fig. 9, however, the parts are shown in the positions they occupy after the operator at the 1st, 2d, or 4th floor has adjusted the mechanism to stop the car A at the third floor. If the car he at the fourth floor the operator at that point after shifting the handle F into position opposite 3 on the index, as shown at floor 1 of Fig. 9, next throws bell crank H down and motor C is started in a direction to lower car A. The car A then descends until the cam A engages the roll G at the third floor whereupon the car is stopped and emptied automatically. If the car A is at the first or second floor, then the operator at either of those points throws the bell crank H up and the car A is lifted by the motor C until the cam A engages the roll G with the results described.

As will be clear from Fig. 9, the car cannot be started in either direction unless all of the doors are closed and when the bell crank F is adjusted to select any one of the floors as the stopping point for the car the door at that floor is automatically unlocked by the bar H of that floor being moved to bring the notch H opposite or into the path of the hook of latch H and at the same time all of the other bars H are moved so that respective notches H are carried out of the path of their cooperating latches H Having thus described my invenh'on, what I claim and desire to secure by Letters Patent is:

'1; In an elevator, a frame provided with guideways, a car movably mounted 1111 said guideways, means for raising and lowering said car, a series of platforms or sto s, selective means located at each platform or predetermining the destination ofsaid car, hand-operated means located at each platform for controlling the starting and direction of movement of said car, means in said car engaging said selective means at predetermined destination or platform for automatically stopping said car, and means for automatically discharging the contents of said car at said destination or platform.

2. In an elevator, a frame provided with guideways, a car movably mounted in said guideways, means for raising and lowering said car, a series of platforms or stops, selective means located at each platform for predetermining the destination of said car. hand-operated means located at each platform for controlling the starting and direction of movement of said car, and means in said car engaging said selective means at predetermined destination or platform for automatically stopping said car and discharging contents. V

3. In an elevator, a frame provided with guideways, a car movably mounted in said guideways, means for raising and lowering said car, a series of platformsor stops, selective means located at each platform for predetermining the destination of said car, hand-operated means located at each platform for controlling the starting and direction of movement of said car, means in said car engaging said selective means at predetermined destination or platform for auto matically stopping said car, and pivoted means for automatically discharging the contents of said car at said destination or platform.

4. In an elevator, guideways, a car movable in said guideways, means for raising and lowering the car in the guideways, a series of platforms adjacent to the guideways, doors controlling the entrance or' exit to or from the platforms and car, selective means at each platform for predetermining the particular platform at which the car is to be stopped, hand-operated means located at each platform controlling the starting and direction of movement of the car, auto- 'matic means actuated on the arrival of the car at the designated platform to discharge the contents of the car, and means for automatically locking said hand-operated means in non-operating position if any of the doors are open.

5. In an elevator, guideways, a car movable in said guideways,means for raising and lowering the car in the guideways, a series of platforms adjacent to the guideways, doors controlling the entrance or 'exit to or from the platforms and car, selective means at each platform for predetermining tht particular platform able in said guideways, a series of platforms adjacent'to the guideways, doors controlling the entrance or exit to or from the platforms and car, selective means at each plat-- form for predetermining the particular platform at which the car is to be stopped, hand-operated means located at each platformcontrolling the starting and direction or movement of the car, automatic means actuated on the arrival of the car at the designated platform to discharge the contents of the ,car, means for automatically locking the hand-operated means in nonoperatmg position 1f any of the doors are open, means for releasing said locln'ng means when all the doors are closed, and means for automatically locking all 'doors closed when the car is in motion.-

7. In an elevator; guideways, a car movable-in said guideways, a series of platforms adjacent to theguid'eways, doors controlling the entrance or exit to or from the platforms and car, selective means at each platform for predetermining the particular platform at which the car is to be stopped, handoperated means located at each platform controlling the starting and direction or movement of the car, automatic means actuated on the arrival of 'thecar at the designated platform to discharge the-contents of thecar, means for automatically locking the hand-operatedmeans in non-operating position if any of the doors are open, means for releasing said locking means when all the doors are closed, means for automatically locking all doors closed when the car is in motion, andmeans for automatically unlocking thedoor 'at the designated? plat-' form when the car comes'to a stop thereat. 8. In an elevator, guideways, a ca-r mo'v' able in said guideways, means for raising and lowering the carin the'guidew ayaa series of platforms adjacent to'the 'guideways, doors controlling the entrance or exit to or from the latforms and car, selective means at each p atform for predetermining the particular platform atwhieh thecaris' to be stopped,hand-operated means located at each platform controlling the starting and direction of movement of the car, means actuated on the arrival of the car at the designated platform to discharge the contents of the car, and means for automatically locking saidhand-operated means in non-operating position if any of the doors are 0 en.

9. 11 an elevator, a frame provided with guideways, a car movably mounted in said guideways, means for raising and lowering said car, a series of stations, selective means located at each station for predetermining the destinationv of said car, means located at each station for controlling the starting and direction of movement of said car, and means in said car engaging said selective means at the predetermined destination or station for automatically stopping said car and discharging its contents.

10. In an elevator, a frame provided with guideways, a car movably mounted in said guideways, means for raising and lowering said car, a series of stations, selective'means located at each station :for predetermining the destination ofsa'id'car, means located at each station for controlling the starting and direction of movement of said- Can, means in said car engaging said selective meansat the predetermined destination or station for automatically sto ping said car and co-acting means to unloa sai car.

11. In an elevator, guideways, a car movable in said guideways, means for raising and lowering the car in the guideways, a series of stations adjacent to the guideways, doors controlling the entrance to or exit from said car at said stations, adjustable selective means at each station for predetermining the particular station at which the car is to be stopped, means located at each station for controlling the starting and direction of movement of the car, means actuated on the arrival of the car at the designated or predetermined station to discharge the contents of the car, and means for auto matically locking said last mentioned means innon-operating position if any of the doors are open. v

' In testimony whereof, I have signed my name to this ecification in the presence oftwo subscribingwitnesses, this 14th day.

at July, A ia-199a g t 'JA msrcownEr- Witnesses? i MARGARETWFLYQNS, 

